Really good lectures for improving relationships and family life

These are really good, dealing with relationships, family, husband/wife relationships etc.
It's a Jewish rabbi, but he said, that these lectures are good for Jews and non-Jews. I listened to all of 10 of these, and I must say, that they are really good.
https://www.youtube.com/playlist?list=PLRwJojlJqe48WoqzuzezgUlXfdYzXa2Ac

Here's the first one: